{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment", "Subject.Population", "Subject.Race", "Treatment.Disorder", "Subject", "Treatment.Route", "Combination.Drug", "Treatment.Drug", "Treatment.Duration", "Treatment.Time_elapsed", "Subject.Gender", "Subject.Disorder", "Effect", "Treatment.Dosage", "Subject.Age"]}], "input": "A 61-year-old man developed clinical lupus syndrome with positive antinuclear antibody, positive lupus erythematosus (LE) cell preparation, and diffuse proliferative glomerulonephritis following 26 months of procainamide therapy."}
{"potential therapeutic event": []}